Interstellar matter

In astronomy, the interstellar medium (ISM) is the matter that exists in the space between the star systems in a galaxy. This matter includes gas in ionic, atomic, and molecular form, as well as dust and cosmic rays. It fills interstellar space and blends smoothly into the surrounding intergalactic space. The energy that occupies the same volume, in the form of electromagnetic radiation, is the interstellar radiation field.

Uses material from the Wikipedia article "Interstellar matter", which is released under the Creative Commons BY-SA 3.0.
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Astronomical object DistanceWiki
2MASS J03292407+3119577Bright Nebula, Herbig-Haro Object1084
72 TauriInterstellar matter, Reflection nebulaB378
AG CarinaeEmission Object, Planetary NebulaW17167[x]
AlniyatInterstellar matter, Reflection nebula, HII regionO474[x]
AntaresInterstellar matter, Reflection nebula, HII regionM553[x]
Barnard's LoopHII region1623[x]
BD+01 3979Planetary Nebula3300[x]
BD+22 3878Planetary NebulaD1100[x]
BD+30 623Planetary Nebula860[x]
BD+50 2869Planetary NebulaO2000[x]
BD-05 1299Part of CloudF1331
BD-12 1172Planetary NebulaO1100[x]
BD-17 3140Planetary Nebula1400[x]
Blue Flash NebulaPlanetary Nebula3006[x]
Bubble NebulaHII region7094[x]
Bug NebulaHII region, Planetary Nebula3381[x]
California NebulaHII region990[x]
Cat's Paw NebulaInterstellar matter, Molecular cloud, HII region, Supernova remnant5497[x]
Cave NebulaInterstellar matter, Bright Nebula, Reflection nebula, HII region2395[x]
CD-23 13397Planetary Nebula4900[x]
CD-33 12935Planetary Nebula3100
CD-36 11341HII region, Planetary Nebula3399[x]
CD-39 6137Planetary NebulaA2100[x]
CD-43 9005Planetary Nebula3000[x]
ChamaeleonInterstellar cloud, Molecular cloud, Star forming region592[x]
Coalsack NebulaDark nebula481[x]
Cocoon NebulaInterstellar matter, HII region3182[x]
Cone NebulaDark nebula2191[x]
CPD-65 2513Planetary Nebula8400[x]
Crab NebulaHII region, Supernova remnant7004[x]
Crescent NebulaInterstellar matter, HII region5006[x]
Csi+19-20105Planetary Nebula9000[x]
Csi+19-20201Planetary Nebula3000[x]
Csi+29-19529Interstellar matter, HII region, Planetary Nebula6000
Csi+46-20087Planetary Nebula2500[x]
Csi+61-22385Planetary Nebula4200[x]
CSI-20-17462Planetary Nebula4500
CSI-21-22270Planetary NebulaD700[x]
CSI-61-15434Planetary Nebula9000
Dumbbell NebulaPlanetary Nebula1082[x]
Eagle NebulaHII region6986[x]
Epsilon OrionisInterstellar matterB1976[x]
Eskimo NebulaPlanetary Nebula765[x]
Fine Ring NebulaHII region, Planetary Nebula999
Flame NebulaMolecular cloud, HII region, Supernova remnant994[x]
Flaming Star NebulaHII region1698[x]
G2 Dust CloudInterstellar cloud27865
GCRV 4981Planetary NebulaO800[x]
GCRV 6897Planetary Nebula2200[x]
GCRV 950Planetary NebulaD2100[x]
Ghost of JupiterPlanetary Nebula1392[x]
HD 148937Interstellar matter, Emission Object, HII region, Planetary NebulaO1388
HD 99897HII regionO1802
Heart NebulaHII region7514[x]
Helix NebulaPlanetary Nebula689[x]
Hen 2-215HII region, Planetary Nebula4899
HH 17Herbig-Haro ObjectK1207
HindInterstellar matter, Bright Nebula, HII region, Herbig-Haro Object573[x]
HIP 113269Emission ObjectG798
HIP 17890Interstellar matter, Bright Nebula, Reflection nebulaA392
HIP 20160Emission ObjectK250
HIP 20777Emission ObjectM127
HIP 66732Planetary Nebula759
HIP 91911Emission ObjectW420
Horsehead NebulaInterstellar cloud, Dark nebula, Molecular cloud909[x]
IC 1287Interstellar matter, Galactic nebula, Reflection nebula, HII region996
IC 1396HII region2584[x]
IC 1805HII region6059[x]
IC 1848HII region6553[x]
IC 289Planetary Nebula1710[x]
IC 2944Interstellar matter, HII region5910[x]
IC 348Interstellar matter, Interstellar cloud, Reflection nebula, Star forming region, HII region1263[x]
IC 4604Interstellar matter, Galactic nebula, Bright Nebula, Reflection nebula, HII region587
IC 4663Planetary Nebula6450
IRAS 21565-3937Planetary NebulaO3000[x]
Iris NebulaDark nebula1479[x]
KN MuscaeHII region, Planetary Nebula1780[x]
Lagoon NebulaHII region4496[x]
Lan 111Planetary Nebula2900[x]
LBN 623HII region585
Little Dumbbell NebulaPlanetary Nebula2060[x]
Little Ghost NebulaPlanetary Nebula4897[x]
M16HII region5753[x]
M17HII region4245[x]
M20HII region2659[x]
Messier 78Interstellar matter, Reflection nebula1582[x]
Monkey Head NebulaHII region6389[x]
MWC 712Emission ObjectB7677
NGC 1333Interstellar matter, Bright Nebula, Reflection nebula, Star forming region, HII region1061[x]
NGC 1360Planetary Nebula1135[x]
NGC 1514Planetary Nebula849[x]
NGC 1931Interstellar matter, Bright Nebula, HII region7017[x]
NGC 1999Interstellar matter, Reflection nebula, HII region1144[x]
NGC 2244Interstellar matter, Herbig-Haro Object4750[x]
NGC 2264Interstellar matter, HII region2066[x]
NGC 2440Planetary Nebula5691[x]
NGC 2547Interstellar matter1451[x]
NGC 281Interstellar matter, HII region8004[x]
NGC 3199Interstellar matter, HII region15027
NGC 3247Interstellar matter5111
NGC 5367Interstellar matter, Bright Nebula, Reflection nebula2091
NGC 5979Planetary Nebula9004
NGC 6188Interstellar matter4404[x]
NGC 6337HII region, Planetary Nebula4877
NGC 6357HII region8159[x]
NGC 6445Planetary Nebula4529
NGC 6563Planetary Nebula3103
NGC 6567Planetary Nebula4176
NGC 6804Planetary Nebula4993
NGC 6820Galactic nebula6510[x]
NGC 6886Planetary Nebula8994[x]
NGC 7538Interstellar matter, HII region9003[x]
NGC 7822HII region, Supernova remnant2790[x]
North America NebulaHII region1891[x]
NSV 1056Planetary Nebula1700[x]
OmegaHII region5504[x]
Orion NebulaHII region1397[x]
Parrot's HeadDark nebula997
Pelican NebulaInterstellar matter, HII region1884[x]
Pencil NebulaHII region815[x]
Phantom Streak NebulaPlanetary Nebula6517[x]
Pismis 4Interstellar matter1956
PMD2009 11HII region1262
R MonocerotisInterstellar matter, Reflection nebula, HII regionB3000[x]
Red Spider NebulaHII region, Planetary Nebula3004[x]
RegorHII region1047[x]
RigelInterstellar matter, Reflection nebulaB863[x]
Rosette NebulaInterstellar matter, HII region5302[x]
Running Man NebulaBright Nebula1289[x]
T TauriHerbig-Haro ObjectK595[x]
Trapezium NebulaInterstellar matter1328
Trifid NebulaHII region5197[x]
V1328 OrionisHII regionK1259
V1348 OrionisHerbig-Haro ObjectK1266
V1578 CygniInterstellar cloudA3186
V2288 OrionisHII regionM1257
V594 CasHII regionB658
Vela PulsarSupernova remnant913[x]
Witch Head NebulaInterstellar matter, Reflection nebula, HII region, Planetary Nebula888[x]
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